Rug corner



c. F. GOLDTHWAITE.

RUG CORNER APPHCATION FILED OCT- 18. 1921.

Pat ented 0ct.-3,1922.

IN VEN TOR By W ATTORNEY Patented @ct. 3, i922.

hll l lilll CHARLES F. GOLDTHEVAITE, OF DULUTH, MINNESOIA. .i.SIG-NO1 'L'JO LINEN RUG COIVIIPANY, A. CORPORATION 033 ILEINIFIESOTA.

RUG CORNER.

Application filed October 16, 1921.

T 0 all whom it may concern:

Be it known that 1, CHARLES F. Geno THWAITE, a citizen of the United States, and resident of Duluth, in the county of St. Louis and State of Minnesota, have invented certain new and useful Improvements in Rug Corners, of which the following is a specification.

This invention relates to rug corner to be attached to the under side of rugs to prevent same from curling, or slipping on the floor and comprises improvements upon devices of this general character heretofore known, for the purpose of more effectively carrying out the desired objects.

According to this invention 1 provide a corner preferably made 01 rubber or similar material, as heretofore, which is of charac teristically varying thickness in all directions from or a slight distance from the right angled corner. The portion at this corner is made the thickest for the purpose of bringing the maximum weight at the corner and the material tapers therefrom in all directions toward the acute angles. Along the median line normal to the hypotenuse.

the taper commences at the corner or slightly inward therefrom and is at first gradual and then changes so as to more rapidly approach to the thinnest edge at the middle portion of the hypotenuse, the ends of the hypotenuse being thicker than the middle but not as thick as at the right angle. By this construction, the upper surface of the rug will lay smooth on a floor, without having abrupt ridges due to the thickness of the underlying rug corner, as in devices heretofore proposed with which I am familiar, and the rug also clings more closely to the floor. By reason of having the thickness at the acute angles greater than at the middle portion of the hypotenuse, the rug corner will snap back more easily into position when raised from the floor, owing to the extra stiffness imparted to the edges. Moreover, this provides suflicient thickness at the corners to enable the threador other attaching means to hold more securely.

In the accompanying drawing showing a preferred embodiment of the invention,

Figure 1 is a perspective view of a portion of a floor and a rug provided with the in vention,

Figure 2 is a plan view of one form,

erial No. 508,548.

Figure side,

Figure ure 2 Figure dis a section on the line .5-5 of Figure 2, and

Figure Gshows a modification.

The device is of general right triangular shape corresponding to the corner of a rug with one surface substantially plane, and the other si'lriace generally the bottom or the one next the floor is smooth but oi varyln Figure i is a section on line Kiwi} of Figing surface as above iunicated. 2. 1 represents the right angle apex, anti 2-, the acute angled corners each having sewing or other attaching holes As seen in F: ures i: and 5, the hotly is thickest at apex l and tapers sul'istantially unitormlthere from or nearly therefrom to corners 2. in igure 3, the hypotenuse edge represented in elevation by and as will be seen is thickat corners and thinnest at the middle portion 5. Along the median line 6 comniencing at the apex l, the taper to about the portion 7 is relatively slight as compared with the taper from 7 to edge 5 as seen in Figure Qthese differing tapers all merging into each other without abrupt angles or changes in surface.

The result of such construction is that the weight is concentrated at the apex 1. tendingto hold the device down; the outside edges between apex 1 and corners 2 gradually taper hut yet have considerable resilionce. while the hypotenuse edge tapers from the corners 2 to the thinnest portion at 5, giving the whole device a characteristic resilience which causes it to immediately resume its natural flat shape when bent. 'it the same time. there is good contact with the floor, so that sliding or slipping is prevented.

3 is an elevation of the hypotenuse Also, the apex 1 and corners 2 are of suliihas-l tion 12 between the inner corners 10 being of about the thickness oi" portion in Figure From the edge 12 the thickness increases relatively rapidly to the portion 13 corresponding to 7 and thence more grad ually to or nearly to the apex 1. T his term is more specially adapted for very large rugs where the amount of material in the device should be out down without atlecting the operation of the device as a whole.

In either form, the portion at the apex 1 may be flat tor a slight distance, say one inch on each side, before the taper 6 commences.

A device of this character has several advantages over previous devices in holding more securely without being apparent because of objectionable thickness on the top of the rug, thereby obviating worn places on the rug due to the angles of the corner and also becauseot the resilience causing the whole device to snap back on the floor when partially elevated. The device will be made in various sizes according to the requirements, the one herein shown in jhigure Qbeing of approximately eight inch hypotenuse and the portion 7 being about one and one half inches inside, which proportions l have found to give satisfactory results. it is further to be understood that the bottom or floor face of the device can carry at ing directions, trade mark and other I and be roughened or corrugated to increase the resistance to slipping.

In the accompanying claims, the term apex refers to the portion underlying the rug corner, the base is the side opposite the apex, or hypotenuse in a right triangle, and the corners are the points underlying the edges of the rug at opposite ends of the base, these definitions applying to either form, although the base in Figure 6 is not a straight line as in Figure 2.

What 1 claim is:

1. A rug corner of flexible material having a thicxened apex portion and of tapering reduced thickness toward the base.

2 A rug corner of flexible material hawing a thickened apex portion and of tapering reduced thickness toward the base, the taper along the median portion being varying.

A. rug corner of flexible material having a thickened apex portion and of taperingrednced thickness toward the base, the

taper along the median portion being varymg. and along the edges being uniform.

4;. Bi rug corner of flexible material having a thickened apex portion and of tapering reduced thickness toward the base, the tl'iickness along the base being less at the middle than at the respective corners.

5. A. rug corner having its apex thickest, the corners of less thickness, and the median portion of the base of least thickness, the several cross sections tapering between portions of different thickness.

6. A rug corner of flexible resilient material having its apex thickest, the corners of less thickness, and the median portion of the base of least thickness, the several cross sections tapering between portions of d iilerent thickness.

7. It rug corner of flexible resilient material having its apex thickest, the median portion of the base of least thickness and having its sides extended beyond the median portion of the base to extended corners, the thickness oi": said corners being intermediate between the thickness of said median por. tion of the base and the apex.

Signed at Duluth, in the county of St. Louis and State of Minnesota this 10th day of October A. D. 1921.

CHARLES F. GOLDTHWAITE. 

